Adjustable compass with ruler and protractor
USD411959S · kind S · design
7Cited by
2References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 1998 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Jul 13, 2013 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.